Description: Five citrine quartz specimens varying in length from 45 - 65 mm.
These heat-treated specimens (cut from a geode) come from Brazil. They were originally amethyst, then went through the process of being baked at 300 - 400º Celsius for many hours, turning them into citrine.
Damage is confined mostly to the edges of the specimens.
Total Weight
of Specimens: 288 g
Chemical
Composition: SiO2
Hardness
on Mohs Scale: 7
Location:
Brazil
Specimen
Code: BULKsa
021
R 255
..
.
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